// Copyright (c) 2009 Daniel Waterworth.
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to
// deal in the Software without restriction, including without limitation the
// rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
// sell copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
// IN THE SOFTWARE.

#include <map>
#include <string>

#include "securefunctioncreator.h"
#include "securitymodule.h"
#include "securityexception.h"
#include "file.h"

using namespace std;

map<string, void *> secure_functions;

static void secureappend(string func, void *addr) {
  secure_functions.insert(pair<string, void *>(func, addr));
}

void SecureFunctionInitialization() {
  secureappend("puts", (void *)puts);
  secureappend("printf", (void *)printf);
  secureappend("exit", (void *)exit);
  
  secureappend("malloc", (void *)secure_malloc);
  secureappend("free", (void *)secure_free);
  
  secureappend("alloc_check", (void*)alloc_check);
  secureappend("bounds_check", (void*)bounds_check);
  
  secureappend("fopen", (void *)secure_fopen);
  secureappend("fclose", (void *)secure_fclose);
  secureappend("fread", (void *)secure_fread);
  secureappend("fwrite", (void *)secure_fwrite);
}

void *SecureFunctionCreator(const string &func) {
  map<string, void *>::iterator f = secure_functions.find(func);
  if (f != secure_functions.end())
    return f->second;
  return NULL;
}
